complete the tag questions. 1. bill and tom were late for school, 2. pam has to stay at home, 3. bob caught a cold yesterday,

1. Bill and Tom were late for school, weren\'t they? 2. Pam has to stay at home, hasn\'t she? 3. Bob caught a cold yesterday, didn\'t he? 4. They won\'t have any lessons tomorrow, will they? 5. There aren\'t many interesting subjects, are there? 6. I should take this medicine twice a day, shouldn\'t I?